[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: (dynamic-link "libm") doesn't work on guile
From: |
Ludovic Courtès |
Subject: |
Re: (dynamic-link "libm") doesn't work on guile |
Date: |
Fri, 08 Jan 2016 14:51:21 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Alex Vong <address@hidden> skribis:
> I think it is weird. It seems only dynamic linking with "libc" or "libm"
> fails, dynamic linking with external library like "libpcre2-8" or
> anyhome-made shared library would work. And yes, "libc-2.22" and
> "libm-2.22" also works for me.
I think that’s because libm.so and libc.so are linker scripts, whereas
libm-2.22.so and libc-2.22.so are the actual ELF files:
--8<---------------cut here---------------start------------->8---
$ cat ~/.guix-profile/lib/libm.so
/* GNU ld script
*/
OUTPUT_FORMAT(elf64-x86-64)
GROUP ( /gnu/store/qv7bk62c22ms9i11dhfl71hnivyc82k2-glibc-2.22/lib/libm.so.6
AS_NEEDED (
/gnu/store/qv7bk62c22ms9i11dhfl71hnivyc82k2-glibc-2.22/lib/libmvec.so.1 ) )
$ cat ~/.guix-profile/lib/libc.so
/* GNU ld script
Use the shared library, but some functions are only in
the static library, so try that secondarily. */
OUTPUT_FORMAT(elf64-x86-64)
GROUP ( /gnu/store/qv7bk62c22ms9i11dhfl71hnivyc82k2-glibc-2.22/lib/libc.so.6
/gnu/store/qv7bk62c22ms9i11dhfl71hnivyc82k2-glibc-2.22/lib/libc_nonshared.a
AS_NEEDED (
/gnu/store/qv7bk62c22ms9i11dhfl71hnivyc82k2-glibc-2.22/lib/ld-linux-x86-64.so.2
) )
--8<---------------cut here---------------end--------------->8---
Ludo’.